positive shelf是什么意思

网络释义

用法例句

Based on the analyses of the core description,the petrology characteristic and section structure and taking Well HZ25-3-2 as a representative,the authors divide the sedimentary systems into two types,that is,the marine facies fluvial-dominated delta and continental shelf,discuss the essential features of the tow sedimentary systems,and then further recognize two.

以岩心描述、岩石学特征和剖面结构分析为依据,以HZ25-3-2井为代表,详细研究了珠江口盆地惠州凹陷新近系中新统珠江组砂岩储层的沉积相类型,从中划分出海相河控三角州和陆棚两种沉积体系,探讨了此两种沉积体系的基本特征,识别出连续进积型、连续退积型和加积型三角洲沉积演化序列和陆棚沉积演化序列。

Later Paleozoic sedimentary system has 5 sedimentary systems: barrier lagoon - tidal flat system, carbonate continental shelf system, delta system, peat swamp system and river system.

通过对本区30多口井系统性沉积相研究认为,济阳坳陷晚古生代自下而上为海相、海陆过渡相和陆相沉积,划分了5种沉积体系:障壁-泻湖-潮坪体系、碳酸盐岩陆棚体系、三角洲体系、泥炭沼泽体系和河流体系。

After analyzing the data of drilling,logging and well logging,as well as facies marks,it is suggested that terrigenous clastic depositional system was developed in Early Cambrian(Qiongzhusi Stage and Canglangpu Stage)and mainly includes terrigenous clastic shore and shallow shelf facies;carbonate platform depositional system was developed in late Cambrian and is mainly composed of carb.

根据钻井、录井和测井等资料以及沉积相标志的综合分析,指出本区寒武纪早期(筇竹寺期和沧浪铺期)发育海相陆源碎屑沉积体系,主要包含陆源碎屑滨岸和浅海陆棚两种沉积相;晚期以发育碳酸盐岩台地沉积体系为特色,主要由碳酸盐潮坪、混积潮坪、半局限～局限海台地相组成。

This area on the map is the continental shelf.

地图上的这一片区域都是陆棚区。

There the shelf zone ends and the slope towards the deep sea begins.

那里陆棚地带终止，呈倾斜状进入深海。

CHARACTERISTICS OF MIDDLE DEVONIAN SHALLOW-SEA SHELF SEDIMENTS IN XIANGZHOU AREA, GUANGXI PROVINCE

广西象州大乐泥盆系中统浅海陆棚沉积特征

A relict fauna and anomalously coarse grains are common in the upper few feet of some shelf sands.

残余化石和异常粗的颗粒，通常出现于某些陆棚砂上部的几英尺内。

During the Early Silurian, the corals of the Erlangping trough and the graptolites of the Xichuan shelf belonged to the South China Province.

在早志留世，二郎坪海槽的珊瑚与浙川陆棚的笔石属华南生物省。

In the Jurassic and Cretaceous, generally it was also the shelf sea (shallow sea), but there were lacustrine and lagoonal environments in different parts of the basin.

侏罗纪－白垩纪在总的浅海陆棚环境下，盆地不同地区也形成了湖泊和潟湖环境。

A shed for housing cows.

牛棚牛群居住的小棚

To provide with a trellis, especially to train(a vine)on a trellis.

棚架为…搭棚架，尤指使（葡萄藤）攀援在棚架上

When it rained, water dripped from the ceiling.

下雨时，棚顶漏水。

They dumped the coal outside the shed instead of putting it inside.

他们把煤倒在棚外,而不倒在棚内。

building for sheltering farm animals,eg cows or horses

牲口棚舍（如牛栏或马厩）.

shed between tool and plate work shops

工具钣金车间之间棚

A barn for cows.

牛棚关养奶牛的房屋

The shed is to the side of the house.

小棚屋在房子的一边.

Now get down to the huts and get a grip of the girls!

你们到草棚里拉人！

The shed will store 20 tons of coal.

这个棚子能装20吨煤。

Liberty Bell Pavilion. What's inside?

自由钟棚子，里面有什么？

The shelter was proof against the bitter weather.

这个棚子可以避寒.